93210-10M74 Yamaha O-Ring | Genuine OEM Yamaha Outboard Part

🔧 Product Description

Genuine Yamaha Power Trim Manual Release Valve O-Ring - Part Number: 93210-10M74

A genuine Yamaha hydraulic O-ring used within selected power trim and tilt manual-release valve assemblies.

The O-ring seals the manual-release adaptor, valve seat or bypass passage so the hydraulic system can retain pressure when the release screw is closed.

⚙️ Key Features

• Genuine Yamaha OEM hydraulic O-ring

• Correct Yamaha part number 93210-10M74

• Used around the manual-release valve and adaptor

• Fuel- and hydraulic-fluid-resistant rubber construction

• Compatible with numerous Yamaha trim and tilt systems

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 93210-10M74 current Yamaha OEM service reference

OEM / Related Numbers:

• 93210-10M74

• 93210-10M74-00

• 9321010M7400

• 6H1-43845-01 related manual-release screw

• 6H1-43847-00 related manual-valve seat

• 6H1-43854-00 related manual-release spring

• 64E-4388J-00 related hydraulic plug

Aftermarket / Verified Equivalents:

• Direct replacement hydraulic O-ring: 93210-10M74

• Included in selected aftermarket power trim valve-body seal kits

🚤 Compatibility

Commonly used on:

• Yamaha manual-release and hydraulic bypass-valve assemblies

Typically suits:

• Engine models:

• Yamaha 40HP, 50HP, 60HP and 70HP power-trim systems

• Yamaha 75HP, 80HP, 85HP and 90HP

• Yamaha 115HP and 130HP

• Yamaha 150HP, 175HP and 200HP two-stroke

• Yamaha Z150, Z175 and Z200 HPDI

• Yamaha F115 and F150 four-stroke

• Yamaha F200, F225 and F250 four-stroke

• Yamaha 70TLR and 90ETL trim assemblies

• Yamaha 150TXRC and related 64E-series hydraulic units

• HP Range: Commonly 40HP - 250HP

• Engine Type: Yamaha two-stroke, HPDI and four-stroke outboard power trim

• Year Range: Approximately 1990 - 2024, dependent on valve-body design

🔌 Function

The O-ring seals the manual hydraulic bypass valve so trim pressure is retained during normal powered operation.

Common signs of failure:

• Engine slowly lowers after being trimmed

• Hydraulic oil leaks near the manual-release screw

• Trim unit bypasses even when the screw is closed

• O-ring becomes flattened, cut or swollen

• Manual-release valve will not reseal after operation

📦 Condition

• Genuine Yamaha part

• Brand new

• Supplied in original or equivalent packaging